CN101977675B - Method and device for metered removal of a fine-grained to coarse-grained solid material or solid material mixture from a storage container - Google Patents

Method and device for metered removal of a fine-grained to coarse-grained solid material or solid material mixture from a storage container Download PDF

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Publication number
CN101977675B
CN101977675B CN2009801095769A CN200980109576A CN101977675B CN 101977675 B CN101977675 B CN 101977675B CN 2009801095769 A CN2009801095769 A CN 2009801095769A CN 200980109576 A CN200980109576 A CN 200980109576A CN 101977675 B CN101977675 B CN 101977675B
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CN
China
Prior art keywords
measurement chamber
solid
respect
gas
container
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Expired - Fee Related
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CN2009801095769A
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Chinese (zh)
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CN101977675A (en
Inventor
S·哈梅尔
E·库斯克
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ThyssenKrupp Industrial Solutions AG
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Krupp Uhde GmbH
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B01J8/003—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor in a downward flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
    • B01J8/12—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by gravity in a downward flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1818—Feeding of the fluidising gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00743—Feeding or discharging of solids
    • B01J2208/00761—Discharging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00796—Details of the reactor or of the particulate material
    • B01J2208/00823—Mixing elements
    • B01J2208/00831—Stationary elements
    • B01J2208/0084—Stationary elements inside the bed, e.g. baffles

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)

Abstract

The invention relates to a method and a device for the metered removal of a fine to coarse-grained solid matter or a solid matter mixture from a storage container, comprising a device for forming a fluidized bed in the discharge region or in a metering chamber of the metering container, wherein fluidization that is as optimal as possible is to be created in the lower region of such a receiving or metering container while avoiding any additional systems, mechanical elements, or extensive installations. This is achieved according to the method in that a gas is additionally introduced in the region of the metering chamber bottom for forming a fluidized bed that loosens the solid matter, a gas is introduced via swirl nozzles for bringing about the rotation of the fluidized bed, and the solid matter is taken out from the metering container along the gravity direction downward.

Description

Take out particulate to the method and apparatus of coarse solids or solid mixture from the storage container metering
Technical field
The present invention relates to a kind of utilization forms fluidized-bed layer in the discharge areas of measuring container or measurement chamber device and take out particulate to the method for coarse solids or solid mixture from the storage container metering, the invention still further relates to a kind of corresponding device of implementing this method.
Background technology
Burn device in order for example the fuel of particulate to be supplied to alkene from storage container, well-known, in the lower area of storage container and/or corresponding measuring container, carry out fluidization, for example proceed to conveying the respective line from this zone by gas subsequently.As the example for this method of work, have mentioned among EP531758B1, EP626196B1 or DE2831208C, DE3910073A and the DE19715973A.DE68902594T or DE4108048C have described and have given the gas feed element, for example blown bar or be positioned at pipeline on the funnel edge and set and blow out the hole, only mentioning several examples.
In order to make the whole volume fluidization of container, this can cause energy requirement very big and in requisition for a large amount of gases, and is also known, only in the lower area of this container fluidization is set, as described in above-mentioned DE2831208C.
For being difficult to fluidised solid, well-known, fluidization is by the part of packing into, supported as agitator etc., in order to especially realize fluidization as far as possible uniformly.Because up to the higher pressure of the ratio of 8Mpa, to the high requirement of sealing device proposition of sealing device, especially pipe spreader.At this, the high pressure in the solid and movable part cause than higher fault liability, and this fault liability is correspondingly damaged the availability of entire equipment.
Summary of the invention
, the objective of the invention is to for this reason, in the lower area of this reception or metered capacity, create the fluidization of optimizing as far as possible, at the part of packing into than the system that avoids adding, mechanical organ or costliness.
By begin described type, utilize the device that in the discharge areas of storage container or measurement chamber, forms fluidized-bed layer to fall into a trap from storage container to measure out particulate to the method for solid or the solid mixture of coarse grain, be resolved like this according to purpose of the present invention, namely, in the zone of measurement chamber bottom, introduce a kind of gas and make the loose fluidized-bed layer of solid with formation, and additionally introduce a kind of gas so that fluidized-bed layer rotates via vortex injector, solid is removed from measurement chamber downwards along gravity direction.The fluidization of optimization can be under the situation that is formed uniformly very much fluidized-bed layer, realized by these the two kinds air-flows that are used for various objectives, for example fuel can be taken out equably thus.
The present invention can be particularly advantageous for from what the pressure gasification method was used being in the recipient support under the pressure metering particulate to the fuel of dust-like, when in the pressure gasification method, utilizing oxygen containing gasifying agent being higher than the temperature of slag melting under the pressure that improves with the fuel of segmentation, as dust-like (＜0.5mm) fuel, as coal, petroleum coke, biological waste or fuel or liquid fuel as oil, tar, refining residues and other liquid residue that may in gasifier, be atomized at the less (＜50kg/m of particle load 3No fluidized-bed layer) transforms in the suspension the time.
Can stipulate at this: the air-flow that produces eddy current with respect to the measuring container wall tangentially or angled ground and/or with respect to the horizontal plane introduce angledly.
Suitablely at this be, tangent angle (Tangentialwinkel) is set between 0 to 80 °, and and the horizontal plane angulation be set between 0 to 45 °, as the same regulation of the present invention.
In addition advantageously, the speed that realizes via whole gas supply device is set between 0.5 times to 10 times of the minimum fluidization velocity of solid, preferably between 1 times to 5 times about the cross section in the fluidization zone in the measuring container.Above-mentioned measure causes the agitation effects in the optimization of material internal to be conveyed on pneumatic path, thereby for example can take out corresponding uniform gas/solid stream by central tap.
In order to solve described purpose, the present invention has also stipulated a kind of device, namely, be used for from measuring container metering output particulate to the solid of coarse grain or the device of solid mixture, measuring container has at least one measurement chamber that is positioned at the below along gravity direction, measurement chamber has the gas supply hole that is suitable for forming fluidized-bed layer in the bottom, chamber, described device is characterised in that, except being used for fluidised gas supply device, be provided with the additional vortex injector of giving the measurement chamber air inlet and the tap that points to along gravity direction downwards.As mentioned above, can in fluidized-bed layer, realize agitation effects and advantage associated therewith by vortex injector.
For example stipulate so in embodiments of the invention that namely each vortex injector is arranged in the cylindrical wall and/or fluidizing chamber bottom of measurement chamber with passing.
Aptly, each vortex injector has the outlet of tangential gas flow and/or with respect to the horizontal plane has the outflow direction of angled location with respect to the chamber wall, and wherein corresponding angle can be between 0 to 45 °, particularly in the scope between 0 to 80 °.
In addition, the present invention also stipulates: measuring container is equipped with at least two measurement chamber in the container bottom zone.
The measurement chamber bottom self can be configured to funnel shaped equally, and orientation angle with respect to the horizontal plane is 0 to 60 °, especially 10 to 20 °.
Description of drawings
Further feature of the present invention, details and advantage also draw with reference to the accompanying drawings based on following description.In the accompanying drawing:
Fig. 1 illustrates the profile according to the simplification of device of the present invention; And
Fig. 2 illustrates the vertical view that measurement chamber comprises the flow arrow of the fluidized-bed layer that forms within it.
The specific embodiment
Storage container with 1 expression has solid granule 2 generally.Storage container 1 is equipped with transition funnel 3 in the bottom.At this, in Fig. 1, use D FBThe diameter of expression fixed bed is used D WSThe diameter of expression fluid bed is used D AThe internal diameter of expression outlet.
Transition funnel 3 leads to basically in the measurement chamber 4 cylindraceous, wherein can produce fluidized-bed layer in measurement chamber 4.Here fluidised solid is represented with 5, the use by oneself air-flow efflux angle with respect to the horizontal plane of 7 vortex injectors of representing of 6 expressions.Gas for example can adopt the flue gas of nitrogen, air, carbon dioxide, recirculation or the mixture of forming gas or these gases.
In addition, measurement chamber 4 has funnel shaped slightly bottom, and this substructure becomes gas to distribute bottom 8, leads to gas accordingly and distributes the gas supply device of bottom to represent that with 10 the gas supply device that leads to vortex injector is represented with 11.
Fluidised fuel can take out via central tap 12, and for example supplies to burner, and this is not shown specifically in the accompanying drawings.
In Fig. 2, with the 13 gas efflux angles of representing with respect to tangential direction, occupy this gas efflux angle from the air-flow of vortex injector, in order to the fluidised content of measurement chamber 4 is circulated in a certain way, as by shown in the small arrow among Fig. 2.Fig. 2 also illustrates the vortex injector circle by a dotted line.
In order when supplying with solid (with 15 expressions), the charging pulse to be minimized, can arrange in measuring container 1 inside with 16 devices of representing, for example impingement plate or analog.
Vortex injector 7 not only can pass gas and distribute bottom 8, and they also can be arranged in the vertical wall of measurement chamber 4, and this represents with 18, the corresponding gas supply device of Reference numeral 19 expressions.Gas distributes the orientation angle of bottom 8 to represent with α or 9.Gas distributes the bottom to be made of porous material, has the combination of boring or nozzle or these structures.
Certainly, described embodiment of the present invention also can change in many-side, and do not break away from basic design, and control device especially can be set supply with fluidizing gas and/or swirl gas so that beat ground to be arranged, each gas supply device can synchronously or in succession in turn be controlled etc.

Claims (11)

1. utilize the device that in the discharge areas of storage container or measurement chamber, forms fluidized-bed layer to fall into a trap from storage container and measure out particulate to the method for solid or the solid mixture of coarse grain, it is characterized in that, in the zone of measurement chamber bottom, introduce a kind of gas and make the loose fluidized-bed layer of solid in order to formation, and additionally introduce a kind of gas usefulness so that fluidized-bed layer rotates via vortex injector, solid is removed from measurement chamber downwards along gravity direction.
2. the method for claim 1 is characterized in that, the air-flow that produces eddy current with respect to the measuring container wall tangentially or angled ground and/or with respect to the horizontal plane introduce angledly.
3. method as claimed in claim 2 is characterized in that, tangent angle is set between 0 to 80 °, and the horizontal plane angulation is set between 0 to 45 °.
4. as the described method of one of claim 1 to 3, it is characterized in that the speed that realizes via gas supply device is set between 0.5 times to 10 times of the minimum fluidization velocity of solid about the cross section in the fluidization zone in the measuring container.
5. method as claimed in claim 4 is characterized in that, the speed that realizes via gas supply device is set between 1 to 5 times of the minimum fluidization velocity of solid about the cross section in the fluidization zone in the measuring container.
6. be used for from measuring container (1) metering output particulate to the solid of coarse grain or the device of solid mixture, measuring container comprises that at least one is positioned at the measurement chamber of below along gravity direction, measurement chamber has the gas supply hole that is suitable for forming fluidized-bed layer in the bottom, chamber, it is characterized in that, except being used for fluidised gas supply device (10), be provided with the additional vortex injector (7) of giving measurement chamber (4) air inlet and the tap (12) that points to along gravity direction downwards.
7. device as claimed in claim 6 is characterized in that, each vortex injector (7) is arranged in the cylindrical wall and/or fluidizing chamber bottom (8) of measurement chamber (4) with passing.
8. as claim 6 or 7 described devices, it is characterized in that, each vortex injector (7) has the efflux angle of tangential outlet or other gas flow with respect to the chamber wall, and/or with respect to the horizontal plane have the outflow direction of locating angledly, wherein in the corresponding scope of angle between 0 to 80 °.
9. as claim 6 or 7 described devices, it is characterized in that measuring container (1) is equipped with at least two measurement chamber (4) in the container bottom zone.
10. as claim 6 or 7 described devices, it is characterized in that measurement chamber bottom (8) is configured to funnel shaped, orientation angle with respect to the horizontal plane is 0 to 60 °.
11. device as claimed in claim 10 is characterized in that, measurement chamber bottom (8) is configured to funnel shaped, and orientation angle with respect to the horizontal plane is 10 to 20 °.
CN2009801095769A 2008-03-17 2009-01-23 Method and device for metered removal of a fine-grained to coarse-grained solid material or solid material mixture from a storage container Expired - Fee Related CN101977675B (en)

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Application Number Priority Date Filing Date Title
DE102008014475.4 2008-03-17
DE102008014475A DE102008014475A1 (en) 2008-03-17 2008-03-17 Method and device for the metered removal of a fine to coarse-grained solid or solid mixture from a storage container
PCT/EP2009/000404 WO2009115158A1 (en) 2008-03-17 2009-01-23 Method and device for the metered removal of a fine to coarse-grained solid matter or solid matter mixture from a storage container

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CN101977675A CN101977675A (en) 2011-02-16
CN101977675B true CN101977675B (en) 2013-07-17

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US (1) US8646664B2 (en)
EP (1) EP2254691B1 (en)
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AT (1) ATE512712T1 (en)
AU (1) AU2009226601B2 (en)
BR (1) BRPI0909093A2 (en)
CA (1) CA2718545A1 (en)
DE (1) DE102008014475A1 (en)
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ES (1) ES2367165T3 (en)
HK (1) HK1148980A1 (en)
PL (1) PL2254691T3 (en)
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TW (1) TWI454644B (en)
UA (1) UA97319C2 (en)
WO (1) WO2009115158A1 (en)
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AU2009226601B2 (en) 2013-07-11
US8646664B2 (en) 2014-02-11
ZA201007282B (en) 2011-08-31
EP2254691B1 (en) 2011-06-15
ES2367165T3 (en) 2011-10-28
US20110017786A1 (en) 2011-01-27
CN101977675A (en) 2011-02-16
PL2254691T3 (en) 2011-11-30
RU2010141582A (en) 2012-04-27
EP2254691A1 (en) 2010-12-01
HK1148980A1 (en) 2011-09-23
BRPI0909093A2 (en) 2015-08-11
WO2009115158A1 (en) 2009-09-24
CA2718545A1 (en) 2009-09-24
KR20100138941A (en) 2010-12-31
DE102008014475A1 (en) 2009-11-12
ATE512712T1 (en) 2011-07-15
RU2487750C2 (en) 2013-07-20
UA97319C2 (en) 2012-01-25
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AU2009226601A1 (en) 2009-09-24

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